A random sample of 51 orders for take-out food at a local pizzeria found that the average cost of an order was $29 with a standard deviation s = $14. (i). Find the 95% confidence interval for the...


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A random sample of 51 orders for take-out food at a local pizzeria<br>found that the average cost of an order was $29 with a standard<br>deviation s = $14.<br>(i). Find the 95% confidence interval for the average cost of all<br>orders. Show your work.<br>(ii). Based on the confidence interval in part (i), can we conclude that<br>the average cost of all orders is above $25? Explain.<br>

Extracted text: A random sample of 51 orders for take-out food at a local pizzeria found that the average cost of an order was $29 with a standard deviation s = $14. (i). Find the 95% confidence interval for the average cost of all orders. Show your work. (ii). Based on the confidence interval in part (i), can we conclude that the average cost of all orders is above $25? Explain.

Jun 10, 2022
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